3/42
Clamping
Systems
3
Design: DIN 69871, Form AD,
made of alloy case-hardened steel.
All functional surfaces machined
and
guaranteed quality
thanks to
double 100 % control.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Balancing quality: G2.5 18000 min
-1
.
Concentricity: < 0.003 mm.
Hardened 60 -2 HRC.
Application:
For clamping tools with cylindrical shank in collets to
DIN 6499.
Scope of delivery:
Collet chuck complete with clamping nut.
Precision collet chuck Type ER
Design: DIN 69871, Form AD/B,
made of alloy case-hardened steel,
with a core tensile strength of approx. 950 N/mm
2
and a hardness
depth of min. 0.5 mm. Taper according to DIN 254.
All functional
surfaces machined
and
guaranteed quality
thanks to double 100 %
control.
Taper angle: Tolerance AT3.
Taper surface roughness: Ra < 0.001 mm.
Concentricity: < 0.003 mm.
Hardened 60 -2 HRC.
Application:
For clamping tools with cylindrical shank in collets to
DIN 6499.
Scope of delivery:
Collet chuck complete with clamping nut
(finely balanced, with slide coating for increased clamping force).
Note:
Dimension I
2
specifies the maximum insertion depth for tools.
Precision collet chuck Type ER
** Drilled through.
Design: DIN 69871, Form A,
precision balanced. Made of alloy
case-hardened steel, with a core tensile strength of min. approx.
950 N/mm
2
and a hardness depth of min. 0.5 mm. Taper to
DIN 238.
All functional surfaces machined
and
guaranteed
quality
thanks to double 100 % control.
Taper tolerance: AT3.
Balancing quality: G6.3 8000 min
-1
.
Hardened 60 -2 HRC.
Application:
For mounting drill chucks.
Precision drill chuck mounting
* Drilled through.
Order
No.
Clamping
range
mm
3704
SK Collet ∅ D
mm
L
mm
A
mm
0010
0.5–10
52.00
40 ER16 28 *
70
0015
1 –16
52.00
40 ER25 42 63.5 70
0020
1.5–20
52.00
40 ER32 50 65.5 70
(W394)
Order
No.
Clamping range
mm
3224
SK 40
3225
SK 50
Collet
l
2
mm
l
1
mm
∅ d
2
mm
0001
0.5–10
77.00
120.00
ER16
**
70
28
0004
0.5–10
80.00
140.00
ER16
**
100
28
0007
0.5–10
96.00
168.00
ER16
**
160
28
0010
1 –16
77.00
133.00
ER25
62
70
42
0013
1 –16
91.00
140.00
ER25
57
100
42
0016
1 –16
125.00
168.00
ER25
57
160
42
0019
1.5–20
77.00
133.00
ER32
64
70
50
0022
1.5–20
93.00
140.00
ER32
64
100
50
0023
1.5–20
132.00
168.00
ER32
64
160
50
0025
2.5–26
87.00
144.00
ER40
73
70
63
0028
2.5–26
107.00
152.00
ER40
73
100
63
0031
2.5–26
144.00
180.00
ER40
73
160
63
(W394)
(W394)
Order
No.
Chuck taper
3211
SK
l
1
mm
0100
B 16
63.00
40
26
0150
B 16
100.00
50
26
(W394)
m
DIN
69871
Form
AD
≤ 3 µm
DIN
69871
Form
AD/B
≤ 3 µm
DIN
69871
Form
A
ER
D
L
A
8°
Tool holders
564